/usr/share/gocode/src/github.com/prometheus/common/promlog/log.go is in golang-github-prometheus-common-dev 0+git20180110.89604d1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | // Copyright 2017 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package promlog defines standardised ways to initialize Go kit loggers
// across Prometheus components.
// It should typically only ever be imported by main packages.
package promlog
import (
"os"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
"github.com/pkg/errors"
)
// AllowedLevel is a settable identifier for the minimum level a log entry
// must be have.
type AllowedLevel struct {
s string
o level.Option
}
func (l *AllowedLevel) String() string {
return l.s
}
// Set updates the value of the allowed level.
func (l *AllowedLevel) Set(s string) error {
switch s {
case "debug":
l.o = level.AllowDebug()
case "info":
l.o = level.AllowInfo()
case "warn":
l.o = level.AllowWarn()
case "error":
l.o = level.AllowError()
default:
return errors.Errorf("unrecognized log level %q", s)
}
l.s = s
return nil
}
// New returns a new leveled oklog logger in the logfmt format. Each logged line will be annotated
// with a timestamp. The output always goes to stderr.
func New(al AllowedLevel) log.Logger {
l := log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr))
l = level.NewFilter(l, al.o)
l = log.With(l, "ts", log.DefaultTimestampUTC, "caller", log.DefaultCaller)
return l
}
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